# A169593 (b-file synthesized from sequence entry)
0 -1
1 1
2 -1
3 1
4 -1
5 1
6 2
7 -1
8 2
9 -1
10 6
11 -4
12 9
13 -6
14 1
15 24
16 -121
17 264
18 -166
19 24
20 -1
21 120
22 -44616
23 93340
24 -52950
25 4345
26 -120
27 1
28 720
29 -296321796
30 605003244
31 -321204409
32 12686988
33 -164746
34 720
35 -1
36 5040
37 -49349521382400
38 99624831647040
39 -51206316902496